Mafia III is a 2016 open-world action-adventure set in a fictionalized 1960s New Orleans called New Bordeaux. You play as Lincoln Clay through a revenge-driven story campaign, splitting time between driving, third-person shooting, and exploring a detailed urban environment. The Definitive Edition includes patches and visual improvements, making it the version most players pick up today. At 1440p, the game's hardware demands shift compared to 1080p. The higher resolution puts more pressure on the GPU to render sharper textures, smoother lighting, and denser shadow detail throughout the city. Meanwhile, the CPU still handles open-world AI population, vehicle physics, and the simulation logic behind police chases and crowd behavior. It is a balanced load overall, but stepping up to 1440p means the graphics card becomes the primary concern. Where beginners often miscalculate is assuming a 2016 title needs minimal hardware. While Mafia III does not demand a flagship gaming PC, the Definitive Edition at 1440p with settings like shadow quality, draw distance, and lighting fidelity turned up does benefit from a properly matched GPU and CPU. Frame drops in busy districts or during fast driving are the most common complaints, and those are usually tied to either a weak graphics card being pushed by resolution or a processor struggling with simulation density. Storage also matters more than people expect—an SSD shortens loading screens and helps with texture streaming in this relatively large install. A well-balanced 1440p gaming PC build avoids the lopsided setup that leaves one component bottlenecking the rest.